What does the T4 thyroid hormone regulate?

A:

Quick Answer

According to Healthline, the T4 thyroid hormone "thyroxine" assists with regulating growth and metabolism within the body. Increased production of thyroxine due to overactive thyroid (hyperthyroid) or decreased production of thyroxine due to underactive thyroid (hypothyroid) may both result in significant health problems.

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MedlinePlus indicates that individuals with hyperthyroidism may experience symptoms a variety of symptoms including weight loss, fatigue, heat intolerance and increased sweating. Some characteristics of hypothyroid include weight gain, fatigue, cold sensitivity and thinning hair. A physician can order laboratory testing to determine whether or not the thyroid is functioning properly and provide an appropriate course of treatment.